Cartier Calibre de Cartier Watch W7100026

45mm 18K white gold case, octagonal crown, sapphire crystal, slate-gray galvanic guilloché upper dial and silvered lower dial with sword-shaped blued-steel hands, automatic winding caliber 9909 MC movement with multiple time zones, cities disk, day and night indicator, and time-difference display, approximately 48 hours of power reserve, black alligator strap with 18K white gold double adjustable deployant buckle. Water resistant to 30 meters.